diff options
Diffstat (limited to 'wgpu/src/geometry.rs')
| -rw-r--r-- | wgpu/src/geometry.rs | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/wgpu/src/geometry.rs b/wgpu/src/geometry.rs index 8cfed1e5..7e17a7ad 100644 --- a/wgpu/src/geometry.rs +++ b/wgpu/src/geometry.rs @@ -1,3 +1,4 @@ +//! Build and draw geometry. use crate::core::{Gradient, Point, Rectangle, Size, Vector}; use crate::graphics::geometry::fill::{self, Fill}; use crate::graphics::geometry::{ @@ -9,9 +10,7 @@ use lyon::geom::euclid; use lyon::tessellation; use std::borrow::Cow; -/// The frame of a [`Canvas`]. -/// -/// [`Canvas`]: crate::widget::Canvas +/// A frame for drawing some geometry. #[allow(missing_debug_implementations)] pub struct Frame { size: Size, @@ -353,10 +352,12 @@ impl Frame { self.pop_transform(); } + /// Pushes the current transform in the transform stack. pub fn push_transform(&mut self) { self.transforms.previous.push(self.transforms.current); } + /// Pops a transform from the transform stack and sets it as the current transform. pub fn pop_transform(&mut self) { self.transforms.current = self.transforms.previous.pop().unwrap(); } @@ -373,14 +374,16 @@ impl Frame { f(&mut frame); - let translation = Vector::new(region.x, region.y); + let origin = Point::new(region.x, region.y); - self.clip(frame, translation); + self.clip(frame, origin); } - pub fn clip(&mut self, frame: Frame, translation: Vector) { + /// Draws the clipped contents of the given [`Frame`] with origin at the given [`Point`]. + pub fn clip(&mut self, frame: Frame, at: Point) { let size = frame.size(); let primitives = frame.into_primitives(); + let translation = Vector::new(at.x, at.y); let (text, meshes) = primitives .into_iter() |